255421405201 has 8 divisors (see below), whose sum is σ = 272197465344. Its totient is φ = 239117910240.

The previous prime is 255421405157. The next prime is 255421405271. The reversal of 255421405201 is 102504124552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255421405201 - 2⁷ = 255421405073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255421405271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118140180 + ... + 118142341.

It is an arithmetic number, because the mean of its divisors is an integer number (34024683168).

Almost surely, 2^255421405201 is an apocalyptic number.

It is an amenable number.

255421405201 is a deficient number, since it is larger than the sum of its proper divisors (16776060143).

255421405201 is a wasteful number, since it uses less digits than its factorization.

255421405201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236282591.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 255421405201 its reverse (102504124552), we get a palindrome (357925529753).

The spelling of 255421405201 in words is "two hundred fifty-five billion, four hundred twenty-one million, four hundred five thousand, two hundred one".